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General Discussion on any topic relating to CPAP and/or Sleep Apnea.
desiderata
Posts: 113
Joined: Tue Feb 28, 2017 6:51 am

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Post by desiderata » Thu Mar 09, 2017 9:06 pm

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Last edited by desiderata on Sun May 07, 2017 5:57 pm, edited 2 times in total.

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Julie
Posts: 19907
Joined: Tue Feb 28, 2006 12:58 pm

Re: Centrals :-(

Post by Julie » Thu Mar 09, 2017 9:30 pm

Hi, first of all... 2007? Is your friend just deciding now to get therapy?

I wouldn't be too concerned yet about the 'centrals' as many people have a few on dozing off and just before waking... they're 'clear airway' events and not necessarily true 'centrals'. I'd be more concerned that his 02 sats did drop during the testing, but otherwise the numbers are pretty good as tests go.

Easy to say it probably would be a good idea to get a new study if affordable, certainly a lot's changed in 10 yrs technically, but it depends on how they feel about things. Again, what happened between now and then?

Mogy
Posts: 188
Joined: Thu Mar 09, 2017 12:16 am
Location: Edmonton, Canada

Re: Centrals :-(

Post by Mogy » Thu Mar 09, 2017 11:08 pm

I assume that the notes on the report were written by a doctor or sleep therapist?
That they are 'transitional centrals', does that mean they are not as serious? It looks like it is a cluster occurring over approximately 1/2 hour.
Using weight loss, general exercise, and tongue/throat exercises I managed to get my AHI down to approx 5.
Not using a machine currently.

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palerider
Posts: 32300
Joined: Wed Dec 16, 2009 5:43 pm
Location: Dallas(ish).

Re: Centrals :-(

Post by palerider » Thu Mar 09, 2017 11:48 pm

Mogy wrote:That they are 'transitional centrals', does that mean they are not as serious?
broadly speaking, yes.
Sleep Transition Apnea

Sleep transition apneas refer to the fluctuations in ventilation that occur in otherwise normal individuals during the transition from wake to sleep.1 The pathogenesis of these apneas involves arousal from sleep, which is associated with an augmentation of ventilation,55,56 particularly immediately after waking up. In normal individuals with a PaCO2 = 40 mm Hg during wakefulness, PaCO2 = 45 mm Hg during stable non-rapid-eye-movement sleep. When these individuals wake up from sleep, they typically hyperventilate and drive down their PaCO2 to values below their normal awake eupnic PaCO2. If this rise in ventilation yields a PaCO2 below the so-called apnea threshold,8 then a cessation of breathing is predictable. Frequently, transient arousals from sleep occur and are followed by resumption of sleep, but the associated augmentation in ventilation leads to central apnea upon resumption of sleep.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3417331/

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Last edited by palerider on Sat Mar 11, 2017 12:25 pm, edited 1 time in total.
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Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.